%0 Journal Article %A Guedda, M. %T On nonhomogeneous biharmonic equations involving critical Sobolev exponent. %J Portugaliae mathematica %D 1999 %P 299-308 %V 56 %N 3 %I mathdoc %U http://geodesic.mathdoc.fr/item/PORMA_1999__56_3_48362/ %G en %F PORMA_1999__56_3_48362